ASUS Prime B860-Plus Wi-Fi ATX Motherboard LGA1851 DDR5

The ASUS Prime B860-Plus Wi-Fi is an ATX motherboard for Intel Core Ultra Series 2 processors on the LGA1851 platform. Built on the Intel B860 chipset, it offers two M.2 slots, PCIe 5.0 support, Realtek 2.5GbE LAN, Wi-Fi 6E, and Realtek HD audio, providing a reliable and well-connected foundation for mainstream Intel builds.

UK-based seller
Tracked delivery across the UK
Genuine product sourced through established UK suppliers and distribution partners

Key Features

• Socket LGA1851 — compatible with Intel Core Ultra Series 2 (Arrow Lake) processors
• Intel B860 chipset
• ATX form factor, 305 x 244 mm
• 4 x DDR5 DIMM slots, Dual Channel, Non-ECC, up to 256GB, DDR5-8666+ (OC); CUDIMM, XMP and AEMP III support
• 1 x PCIe 5.0 x16 (CPU), 1 x PCIe 4.0 x16 (x4 mode), 3 x PCIe 4.0 x16 (x1 mode) expansion slots
• 2 x M.2 slots: 1 x PCIe Gen5 x4, 1 x PCIe Gen4 x4
• 4 x SATA 6Gb/s ports with RAID 0, 1, 5, 10 support
• Realtek 2.5GbE LAN with ASUS LANGuard
• Wi-Fi 6E (802.11ax), 2.4/5/6GHz, with Bluetooth 5.3
• Realtek 7.1 HD Audio

Product Overview

The Prime B860-Plus Wi-Fi is a straightforward and capable ATX motherboard for Intel Core Ultra Series 2 builds. Two M.2 slots, including one PCIe Gen5 x4, cover most storage configurations, and the PCIe 5.0 primary slot ensures compatibility with current and upcoming graphics cards. Wi-Fi 6E with 2.4/5/6GHz support and Realtek 2.5GbE LAN provide solid wired and wireless connectivity. The Thunderbolt (USB4) internal header supports add-in Thunderbolt cards, and ASUS Q-LED indicators simplify troubleshooting. Aura Sync RGB and ARGB Gen2 headers support customisable lighting.

Delivery & Fulfilment

This product is sold by TechFinder UK, a UK-based sole trader business. All hardware is sourced through established UK suppliers and distribution partners. Customers can typically expect to receive their order within 3–5 business days from the date the order is placed, with free tracked delivery across the United Kingdom.

Why Buy from TechFinder UK?

• UK-based sole trader — genuine products, real accountability
• Sourced through established UK suppliers and distribution partners
• Secure checkout
• Free tracked UK delivery — typically 3–5 business days from the date the order is placed
• Pre- and post-purchase support available

Technical Specifications

• Socket: LGA1851
• Compatible Processors: Intel Core Ultra Series 2 (Arrow Lake)
• Chipset: Intel B860
• Form Factor: ATX
• Dimensions: 305 x 244 mm
• Memory Type: DDR5, Dual Channel, Non-ECC, Unbuffered (UDIMM); CUDIMM supported; XMP and AEMP III support
• Memory Slots: 4 x 288-pin DIMM
• Max Memory: 256GB
• Memory Speed: Up to DDR5-8666+ (OC)
• PCIe Slots: 1 x PCIe 5.0 x16 (CPU), 1 x PCIe 4.0 x16 (x4 mode, Chipset), 3 x PCIe 4.0 x16 (x1 mode, Chipset)
• M.2 Slots: M.2_1 — PCIe Gen5 x4 (CPU, 2242/2260/2280); M.2_2 — PCIe Gen4 x4 (Chipset, 2242/2260/2280/22110)
• SATA: 4 x SATA 6Gb/s
• RAID: 0, 1, 5, 10 (SATA)
• LAN: Realtek 2.5GbE (10/100/1000/2500 Mbps) with ASUS LANGuard
• Wireless: Wi-Fi 6E (802.11ax), 2.4/5/6GHz
• Bluetooth: 5.3
• Audio: Realtek 7.1 HD Audio, up to 24-bit/192kHz, S/PDIF-Out (internal header)
• Onboard Graphics Output: 1 x DisplayPort 1.4 (max 4K@60Hz); 1 x HDMI 2.1 (max 4K@60Hz); 1 x USB 20Gbps Type-C (DP Alt, max 4K@120Hz) — requires CPU with integrated graphics
• Rear I/O: 4 x USB 2.0, 1 x USB 5Gbps Type-A, 2 x USB 10Gbps Type-A, 1 x USB 20Gbps Type-C (DP Alt), 1 x DisplayPort 1.4, 1 x HDMI 2.1, 1 x RJ-45, 3 x Audio jacks
• Internal Headers: 2 x USB 2.0, 1 x USB 5Gbps header (2 ports), 1 x USB 5Gbps Type-C connector, 1 x Thunderbolt (USB4) header, 3 x ARGB Gen2, 1 x Aura RGB, 4 x Chassis Fan, 1 x CPU Fan, 1 x CPU OPT Fan, 1 x AIO Pump, 1 x Front Panel, 1 x Front Panel Audio, 1 x Chassis Intrusion, 1 x S/PDIF-Out, 1 x COM (Serial), 1 x TPM (SPI), 1 x Clear CMOS
• Power Connectors: 1 x 24-pin ATX, 1 x 8-pin EPS
• BIOS: 2 x 128Mb Flash ROM, UEFI AMI BIOS
• Gross Weight: 1.53 kg
• Package Dimensions: 35.5 x 27 x 6.7 cm
• Warranty: 3 Years ASUS Manufacturer Warranty
• Package Contents: Motherboard, 2 x SATA 6Gb/s cables, 1 x ASUS WiFi Q-Antenna, 1 x M.2 rubber package, 1 x M.2 screw package, 1 x Quick start guide

Product Identification

Model: Prime B860-Plus Wi-Fi
MPN: 90MB1K50-M0EAY0
EAN: 4711387814697
UPC: 197105814691